Rectangle Dimension Change(Main.java)

 import java.io.*;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) throws Exception, IOException {

        Scanner sc = new Scanner(System.in);

          System.out.println("Enter the length of the rectangle");

          int a;

          a = sc.nextInt();

          System.out.println("Enter the width of the rectangle");

          int b;

          b = sc.nextInt();

         Rectangle r1 = new Rectangle(a,b);

         r1.display();

         System.out.println("Area of the Rectangle:"+r1.area());

         System.out.println("Enter the new dimension");

         int re = sc.nextInt();

        Rectangle r2 = r1.dimensionChange(re);

         if(r2 instanceof Rectangle) {

            

           

            

             r2.display();

             System.out.println("Area of the Rectangle:"+r2.area());

         }

    }}